Base resistant fluorinated polymers

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

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Details

526247, 526250, 526254, 526255, C08F21426, C08L 2710

Patent

active

060404051

ABSTRACT:
Disclosed herein are copolymers of tetrafluoroethylene and n-alkyl trifluorovinyl ether which further contain either curesite repeat units and/or iodine. Such curesite repeat units, upon exposure to free radicals, may crosslink the copolymers. The iodine is introduced by carrying out free radical polymerization in the presence of an organic iodide chain transfer agent. The polymers according to the invention are especially useful as elastomers and/or as molding resins for articles or parts that may be exposed to a basic environment. The preparation of such polymers by aqueous emulsion polymerization is also disclosed.

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patent: 3525724 (1970-08-01), Squire et al.
patent: 4158678 (1979-06-01), Tatemoto et al.
patent: 4243770 (1981-01-01), Tatemoto et al.
patent: 4948852 (1990-08-01), Moore
patent: 4973633 (1990-11-01), Moore

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